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5265172 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5265172: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_width: 1.580 INCHES NOMINAL IN, overall_height: 1.810 INCHES NOMINAL IN, overall_length: 3.630 INCHES NOMINAL IN, special_features: CTR APERTURE 1.939IN. LG, 0.812 IN.

W IN, surface_treatment: PASSIVATE. This part is cataloged in the U.S. Government catalog under NSN 5340-01-399-3855, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
5265172
NSN: 5340-01-399-3855
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_width1.580 INCHES NOMINAL IN
overall_height1.810 INCHES NOMINAL IN
overall_length3.630 INCHES NOMINAL IN
special_featuresCTR APERTURE 1.939IN. LG, 0.812 IN. W IN
surface_treatmentPASSIVATE
mounting_hole_typePLAIN
mounting_hole_diameter0.196 INCHES NOMINAL IN
mounting_hole_quantity12
material_document_and_classificationQQ-S-766, COND A FED SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
NSN5340-01-399-3855
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5265172 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 12
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766, COND A FED SPEC SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.196 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY12
OVERALL HEIGHT1.810 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766, COND A FED SPEC SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.196 INCHES NOMINAL IN
OVERALL LENGTH3.630 INCHES NOMINAL IN
OVERALL WIDTH1.580 INCHES NOMINAL IN
SPECIAL FEATURESCTR APERTURE 1.939IN. LG, 0.812 IN. W IN
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL CORROSION RESISTING
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5265172?
5265172 is a BRACKET,MOUNTING.
What is the NSN for 5265172?
5265172 is cataloged in the U.S. Government catalog under NSN 5340-01-399-3855. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.